예제 #1
0
		protected ColumnStrategy()
		{
			_dataAccessProvider = new DataAccessProviderFactory(Server.ProviderType);
			_connection = _dataAccessProvider.CreateConnection(Server.ConnectionString);
			_columns = new ColumnCollection();
			_keys = new KeyCollection();
		}
		public override void Interpret(Context context)
		{
			Regex regex = new Regex(InputPattern,RegexOptions.Singleline);
			MatchCollection matches = regex.Matches(context.Input);			
			foreach(Match match in matches)
			{
				string columnOutput = "";
				string columnInput = match.Groups["column"].Value;				
				ColumnCollection columns = ((Table)Parameter).Columns;
				ColumnCollection filteredColumns = new ColumnCollection();
				foreach(Column column in columns)
				{
					if(IsValidColumn(column,match.Groups["selection"].Value.Trim()))
					{
						filteredColumns.Add(column);
					}
				}
				foreach(Column column in filteredColumns)
				{					
					string columnTemporaryText = columnInput;
					RunExpressionsReplace(column, filteredColumns, ref columnTemporaryText);
					columnOutput += columnTemporaryText;
				}
				string escapedString = Regex.Escape( match.Value );
				context.Output = Regex.Replace(context.Input ,escapedString,columnOutput);
				context.Input = context.Output;
			}									
		}